- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 18/04 - Waste materialsRefuse
Patent holdings for IPC class C04B 18/04
Total number of patents in this class: 295
10-year publication summary
|
16
|
20
|
19
|
17
|
21
|
21
|
26
|
22
|
36
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20862 |
5 |
| Fluorchemie GmbH Frankfurt | 12 |
5 |
| Holcim Technology Ltd. | 988 |
4 |
| The Regents of the University of California | 19868 |
3 |
| University of Florida Research Foundation, Inc. | 4007 |
3 |
| Ash Improvement Technology Inc. | 7 |
3 |
| En-Tech Corporation | 13 |
3 |
| Saudi Arabian Oil Company | 12997 |
3 |
| Shandong University | 1035 |
3 |
| Sika Technology AG | 2854 |
3 |
| Carbon8 Systems Limited | 11 |
3 |
| Ash Management Engineering, Inc. | 4 |
3 |
| Glass Processing Solutions, LLC d/b/a Sioneer | 5 |
3 |
| Black Asbestos Ltd | 3 |
3 |
| Hsustainability GmbH | 39 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2605 |
2 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1366 |
2 |
| Council of Scientific & Industrial Research | 1425 |
2 |
| Drexel University | 985 |
2 |
| Global Ecoprocess Services Oy | 9 |
2 |
| Other owners | 235 |